ChartDirector 7.0 (ASP/COM/VB Edition)

Icon Pie Chart (2)




This example extends the Icon Pie Chart (1) example to demonstrate using CDML to include multiple fonts and colors in chart title, sector labels and to draw logo. It also demonstrates silver background color, rounded corners, and glass shading effect for title.

Source Code Listing

[Web Version (in ASP)] aspdemo\iconpie2.asp
<%@ language="vbscript" %> <% Set cd = CreateObject("ChartDirector.API") ' The data for the pie chart data = Array(28, 45, 5, 1, 12) ' The labels for the pie chart labels = Array("Excellent", "Good", "Bad", "Very Bad", "Neutral") ' The icons for the sectors icons = Array("laugh.png", "smile.png", "sad.png", "angry.png", "nocomment.png") ' Create a PieChart object of size 560 x 300 pixels, with a silver background, black border, 1 pxiel ' 3D border effect and rounded corners Set c = cd.PieChart(560, 300, cd.silverColor(), &H000000, 1) Call c.setRoundedFrame() ' Set default directory for loading images from current script directory Call c.setSearchPath(Server.MapPath(".")) ' Set the center of the pie at (280, 150) and the radius to 120 pixels Call c.setPieSize(280, 150, 120) ' Add a title box with title written in CDML, on a sky blue (A0C8FF) background with glass effect Call c.addTitle( _ "<*block,valign=absmiddle*><*img=doc.png*> Customer Survey: <*font=Times New Roman " & _ "Italic,color=000000*>Do you like our <*font,color=dd0000*>Hyper<*super*>TM<*/font*> " & _ "molecules?", "Times New Roman Bold Italic", 15, &H000080).setBackground(&Ha0c8ff, &H000000, _ cd.glassEffect()) ' Add a logo to the chart written in CDML as the bottom title aligned to the bottom right Call c.addTitle2(cd.BottomRight, _ "<*block,valign=absmiddle*><*img=molecule.png*> <*block*><*color=FF*><*font=Times New " & _ "Roman Bold Italic,size=12*>Molecular Engineering<*br*><*font=Arial,size=10*>Creating " & _ "better molecules") ' Set the pie data and the pie labels Call c.setData(data, labels) ' Set 3D style Call c.set3D() ' Use the side label layout method Call c.setLabelLayout(cd.SideLayout) ' Set the label background color to transparent Call c.setLabelStyle().setBackground(cd.Transparent) ' Add icons to the chart as a custom field Call c.addExtraField(icons) ' Configure the sector labels using CDML to include the icon images Call c.setLabelFormat("<*block,valign=absmiddle*><*img={field0}*> {label} ({percent|0}%)") ' Explode the 3rd and 4th sectors as a group (index = 2 and 3) Call c.setExplodeGroup(2, 3) ' Set the start angle to 135 degrees may improve layout when there are many small sectors at the end ' of the data array (that is, data sorted in descending order). It is because this makes the small ' sectors position near the horizontal axis, where the text label has the least tendency to overlap. ' For data sorted in ascending order, a start angle of 45 degrees can be used instead. Call c.setStartAngle(135) ' Output the chart Set viewer = cd.WebChartViewer(Request, "chart1") Call viewer.setChart(c, cd.SVG) ' Include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("", "", "title='{label}: {value} responses ({percent}%)'") %> <!DOCTYPE html> <html> <head> <title>Icon Pie Chart (2)</title> <!-- Include ChartDirector Javascript Library to support chart interactions --> <script type="text/javascript" src="cdjcv.js"></script> </head> <body style="margin:5px 0px 0px 5px"> <div style="font:bold 18pt verdana;"> Icon Pie Chart (2) </div> <hr style="border:solid 1px #000080; background:#000080" /> <div style="font:10pt verdana; margin-bottom:1.5em"> <a href="viewsource.asp?file=<%= Request("SCRIPT_NAME") %>">View Chart Source Code</a> </div> <!-- ****** Here is the chart image ****** --> <%= viewer.renderHTML() %> </body> </html>

[Windows Version (in Visual Basic)] vbdemo\iconpie2.cls
Public Sub createChart(viewer As Object, chartIndex As Integer) Dim cd As New ChartDirector.API ' The data for the pie chart Dim data() data = Array(28, 45, 5, 1, 12) ' The labels for the pie chart Dim labels() labels = Array("Excellent", "Good", "Bad", "Very Bad", "Neutral") ' The icons for the sectors Dim icons() icons = Array("laugh.png", "smile.png", "sad.png", "angry.png", "nocomment.png") ' Create a PieChart object of size 560 x 300 pixels, with a silver background, black border, 1 ' pxiel 3D border effect and rounded corners Dim c As PieChart Set c = cd.PieChart(560, 300, cd.silverColor(), &H000000, 1) Call c.setRoundedFrame() ' Set the center of the pie at (280, 150) and the radius to 120 pixels Call c.setPieSize(280, 150, 120) ' Add a title box with title written in CDML, on a sky blue (A0C8FF) background with glass ' effect Call c.addTitle( _ "<*block,valign=absmiddle*><*img=doc.png*> Customer Survey: " & _ "<*font=timesi.ttf,color=000000*>Do you like our <*font,color=dd0000*>Hyper<*super*>TM" & _ "<*/font*> molecules?", "timesbi.ttf", 15, &H000080).setBackground(&Ha0c8ff, &H000000, _ cd.glassEffect()) ' Add a logo to the chart written in CDML as the bottom title aligned to the bottom right Call c.addTitle2(cd.BottomRight, _ "<*block,valign=absmiddle*><*img=molecule.png*> <*block*><*color=FF*>" & _ "<*font=timesbi.ttf,size=12*>Molecular Engineering<*br*><*font=arial.ttf,size=10*>" & _ "Creating better molecules") ' Set the pie data and the pie labels Call c.setData(data, labels) ' Set 3D style Call c.set3D() ' Use the side label layout method Call c.setLabelLayout(cd.SideLayout) ' Set the label background color to transparent Call c.setLabelStyle().setBackground(cd.Transparent) ' Add icons to the chart as a custom field Call c.addExtraField(icons) ' Configure the sector labels using CDML to include the icon images Call c.setLabelFormat("<*block,valign=absmiddle*><*img={field0}*> {label} ({percent|0}%)") ' Explode the 3rd and 4th sectors as a group (index = 2 and 3) Call c.setExplodeGroup(2, 3) ' Set the start angle to 135 degrees may improve layout when there are many small sectors at the ' end of the data array (that is, data sorted in descending order). It is because this makes the ' small sectors position near the horizontal axis, where the text label has the least tendency ' to overlap. For data sorted in ascending order, a start angle of 45 degrees can be used ' instead. Call c.setStartAngle(135) ' Output the chart Set viewer.Picture = c.makePicture() 'include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("clickable", "", _ "title='{label}: {value} responses ({percent}%)'") End Sub